Katy, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Katy, TX in one place.
Mostly sunny, with a high near 92. Heat index values as high as 102. Southeast wind 5 to 10 mph.
Local Weather Overview
This forecast page for Katy, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 8:23 AM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Katy, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 8:23 AM CDT
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Katy
Thursday looks like the warmest upcoming period in Katy at 94 degrees F.
Friday Night is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph SE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 8:23 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- HGX
- Radar station
- KHGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 76. Heat index values as high as 101. Southeast wind 5 to 10 mph.
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Chance of precipitation is 30%.
Mostly sunny, with a high near 94.
Mostly clear, with a low around 76.
Mostly sunny, with a high near 94.
Mostly clear, with a low around 75.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Mostly Sunny
|
92°F |
5 to 10 mph
SE
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
76°F |
5 to 10 mph
SE
|
|
Wednesday
Jun 10
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
5 to 15 mph
SE
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms then Mostly Clear
|
77°F |
5 to 15 mph
SE
|
|
Thursday
Jun 11
|
Mostly Sunny
|
94°F |
5 to 15 mph
S
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
76°F |
5 to 15 mph
SE
|
|
Friday
Jun 12
|
Mostly Sunny
|
94°F |
5 to 10 mph
SE
|
|
Friday Night
Jun 12
|
Mostly Clear
|
75°F |
0 to 10 mph
SE
|
|
Saturday
Jun 13
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
0 to 10 mph
SE
|
|
Saturday Night
Jun 13
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
77°F |
5 to 10 mph
SE
|
|
Sunday
Jun 14
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
5 to 10 mph
SE
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
77°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Katy.
